1. Clinical Roentgenology of the Digestive Tract;Feldman,1948
2. Malignant lesions of the duodenum;Dixon;Surg., Gynec. & Obst.,1946
3. Primary carcinoma of the third part of the duodenum;Rogers;Brit. J. Surg.,1952
4. Primary carcinoma of duodenum;Kleinerman;Ann. Int. Med.,1950
5. The Roentgen Aspects of the Papilla and Ampulla of Vater;Poppel,1953